[INFO] cloning repository https://github.com/samWighton/graph_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samWighton/graph_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamWighton%2Fgraph_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamWighton%2Fgraph_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db735322de8b075644ee113dfc6c84c6a2c7ea3c
[INFO] testing samWighton/graph_network against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamWighton%2Fgraph_network" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samWighton/graph_network on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samWighton/graph_network
[INFO] finished tweaking git repo https://github.com/samWighton/graph_network
[INFO] tweaked toml for git repo https://github.com/samWighton/graph_network written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/samWighton/graph_network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 002434617f95df8d1b4a02c5d79461709d1a31c9959ea1441ed15af8220da500
[INFO] running `Command { std: "docker" "start" "-a" "002434617f95df8d1b4a02c5d79461709d1a31c9959ea1441ed15af8220da500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "002434617f95df8d1b4a02c5d79461709d1a31c9959ea1441ed15af8220da500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002434617f95df8d1b4a02c5d79461709d1a31c9959ea1441ed15af8220da500", kill_on_drop: false }`
[INFO] [stdout] 002434617f95df8d1b4a02c5d79461709d1a31c9959ea1441ed15af8220da500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e62b35afb0698ec9aa547d2d91463f44be515ee77f0c5433b88580ef106768
[INFO] running `Command { std: "docker" "start" "-a" "b9e62b35afb0698ec9aa547d2d91463f44be515ee77f0c5433b88580ef106768", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling permissions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/main.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[derive(Debug, Copy, Clone, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/main.rs:166:50
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[derive(Debug, Copy, Clone, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::ToOwned`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:213:94
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                                                                                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <Vec<(Edge)>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:213:99
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                                                                                                   ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<Edge>)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:253:11
[INFO] [stdout]     |
[INFO] [stdout] 253 |     ) -> Vec<(Edge)> {
[INFO] [stdout]     |              ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -     ) -> Vec<(Edge)> {
[INFO] [stdout] 253 +     ) -> Vec<Edge> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:306:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stdout]     |                           ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stdout] 306 +     let mut ret_val : Vec<Edge> = Vec::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:163:2
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     loop {
[INFO] [stdout] 114 | |         let (number_of_bytes, src_addr) = socket
[INFO] [stdout] 115 | |             .recv_from(&mut buf)
[INFO] [stdout] 116 | |             .expect("Didn't receive data");
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |         // println!("benchmark = {} seconds {} nanoseconds", benchmark_start.elapsed().as_secs(), benchmark_start.elapsed().subsec_nanos());
[INFO] [stdout] 162 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 163 |       return
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:247:2
[INFO] [stdout]     |
[INFO] [stdout] 233 | /     match words[0] {
[INFO] [stdout] 234 | |         "get_all_edges"  => return Some( 
[INFO] [stdout] 235 | |             get_all_links(
[INFO] [stdout] 236 | |                 edges, 
[INFO] [stdout] ...   |
[INFO] [stdout] 244 | |         _                => return None,
[INFO] [stdout] 245 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 246 |       
[INFO] [stdout] 247 |       None
[INFO] [stdout]     |       ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_names`
[INFO] [stdout]    --> src/main.rs:213:19
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_names`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:216:6
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut split = temp_string.split(" ");
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:331:6
[INFO] [stdout]     |
[INFO] [stdout] 331 |     for e in 0 .. num_of_edges {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:347:6
[INFO] [stdout]     |
[INFO] [stdout] 347 |     for t in 0 .. num_of_tables {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:149:3
[INFO] [stdout]     |
[INFO] [stdout] 149 |         socket.send_to(&temp_reply_message.as_bytes(), &src_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let _ = socket.send_to(&temp_reply_message.as_bytes(), &src_addr);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b9e62b35afb0698ec9aa547d2d91463f44be515ee77f0c5433b88580ef106768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e62b35afb0698ec9aa547d2d91463f44be515ee77f0c5433b88580ef106768", kill_on_drop: false }`
[INFO] [stdout] b9e62b35afb0698ec9aa547d2d91463f44be515ee77f0c5433b88580ef106768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68aeef56a261dd25a5daa254cf17e61b6e845db4e9f94f430885d65b576587d2
[INFO] running `Command { std: "docker" "start" "-a" "68aeef56a261dd25a5daa254cf17e61b6e845db4e9f94f430885d65b576587d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling permissions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/main.rs:166:34
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[derive(Debug, Copy, Clone, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/main.rs:166:50
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[derive(Debug, Copy, Clone, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::ToOwned`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:213:94
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                                                                                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <Vec<(Edge)>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:213:99
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                                                                                                   ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<Edge>)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:253:11
[INFO] [stdout]     |
[INFO] [stdout] 253 |     ) -> Vec<(Edge)> {
[INFO] [stdout]     |              ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -     ) -> Vec<(Edge)> {
[INFO] [stdout] 253 +     ) -> Vec<Edge> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:306:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stdout]     |                           ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stdout] 306 +     let mut ret_val : Vec<Edge> = Vec::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:163:2
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     loop {
[INFO] [stdout] 114 | |         let (number_of_bytes, src_addr) = socket
[INFO] [stdout] 115 | |             .recv_from(&mut buf)
[INFO] [stdout] 116 | |             .expect("Didn't receive data");
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |         // println!("benchmark = {} seconds {} nanoseconds", benchmark_start.elapsed().as_secs(), benchmark_start.elapsed().subsec_nanos());
[INFO] [stdout] 162 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 163 |       return
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:247:2
[INFO] [stdout]     |
[INFO] [stdout] 233 | /     match words[0] {
[INFO] [stdout] 234 | |         "get_all_edges"  => return Some( 
[INFO] [stdout] 235 | |             get_all_links(
[INFO] [stdout] 236 | |                 edges, 
[INFO] [stdout] ...   |
[INFO] [stdout] 244 | |         _                => return None,
[INFO] [stdout] 245 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 246 |       
[INFO] [stdout] 247 |       None
[INFO] [stdout]     |       ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_names`
[INFO] [stdout]    --> src/main.rs:213:19
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_names`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:216:6
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut split = temp_string.split(" ");
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:331:6
[INFO] [stdout]     |
[INFO] [stdout] 331 |     for e in 0 .. num_of_edges {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:347:6
[INFO] [stdout]     |
[INFO] [stdout] 347 |     for t in 0 .. num_of_tables {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:149:3
[INFO] [stdout]     |
[INFO] [stdout] 149 |         socket.send_to(&temp_reply_message.as_bytes(), &src_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let _ = socket.send_to(&temp_reply_message.as_bytes(), &src_addr);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "68aeef56a261dd25a5daa254cf17e61b6e845db4e9f94f430885d65b576587d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68aeef56a261dd25a5daa254cf17e61b6e845db4e9f94f430885d65b576587d2", kill_on_drop: false }`
[INFO] [stdout] 68aeef56a261dd25a5daa254cf17e61b6e845db4e9f94f430885d65b576587d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28d4fa6d459f240437afa77a91cd410d8dc148ae6b1a5ef567ebbb544d909ce5
[INFO] running `Command { std: "docker" "start" "-a" "28d4fa6d459f240437afa77a91cd410d8dc148ae6b1a5ef567ebbb544d909ce5", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/main.rs:166:34
[INFO] [stderr]     |
[INFO] [stderr] 166 | #[derive(Debug, Copy, Clone, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/main.rs:166:50
[INFO] [stderr]     |
[INFO] [stderr] 166 | #[derive(Debug, Copy, Clone, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::ToOwned`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use std::borrow::ToOwned;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:213:94
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stderr]     |                                                                                              ^           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stderr] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <Vec<(Edge)>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:213:99
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stderr]     |                                                                                                   ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stderr] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<Edge>)> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:253:11
[INFO] [stderr]     |
[INFO] [stderr] 253 |     ) -> Vec<(Edge)> {
[INFO] [stderr]     |              ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 253 -     ) -> Vec<(Edge)> {
[INFO] [stderr] 253 +     ) -> Vec<Edge> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:306:24
[INFO] [stderr]     |
[INFO] [stderr] 306 |     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stderr]     |                           ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 306 -     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stderr] 306 +     let mut ret_val : Vec<Edge> = Vec::new();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:163:2
[INFO] [stderr]     |
[INFO] [stderr] 113 | /     loop {
[INFO] [stderr] 114 | |         let (number_of_bytes, src_addr) = socket
[INFO] [stderr] 115 | |             .recv_from(&mut buf)
[INFO] [stderr] 116 | |             .expect("Didn't receive data");
[INFO] [stderr] ...   |
[INFO] [stderr] 161 | |         // println!("benchmark = {} seconds {} nanoseconds", benchmark_start.elapsed().as_secs(), benchmark_start.elapsed().subsec_nanos());
[INFO] [stderr] 162 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 163 |       return
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:247:2
[INFO] [stderr]     |
[INFO] [stderr] 233 | /     match words[0] {
[INFO] [stderr] 234 | |         "get_all_edges"  => return Some( 
[INFO] [stderr] 235 | |             get_all_links(
[INFO] [stderr] 236 | |                 edges, 
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |         _                => return None,
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 246 |       
[INFO] [stderr] 247 |       None
[INFO] [stderr]     |       ^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table_names`
[INFO] [stderr]    --> src/main.rs:213:19
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_names`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:216:6
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut split = temp_string.split(" ");
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:331:6
[INFO] [stderr]     |
[INFO] [stderr] 331 |     for e in 0 .. num_of_edges {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:347:6
[INFO] [stderr]     |
[INFO] [stderr] 347 |     for t in 0 .. num_of_tables {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |         socket.send_to(&temp_reply_message.as_bytes(), &src_addr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let _ = socket.send_to(&temp_reply_message.as_bytes(), &src_addr);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `permissions` (bin "permissions" test) generated 15 warnings (run `cargo fix --bin "permissions" --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/permissions-819d247899bc8295)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28d4fa6d459f240437afa77a91cd410d8dc148ae6b1a5ef567ebbb544d909ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d4fa6d459f240437afa77a91cd410d8dc148ae6b1a5ef567ebbb544d909ce5", kill_on_drop: false }`
[INFO] [stdout] 28d4fa6d459f240437afa77a91cd410d8dc148ae6b1a5ef567ebbb544d909ce5
